How to change the port of Tomcat from 8080 to 80

Question

I want to execute my web app as http   localhost

User · Answer

Ubuntu 14 04 LTS  in Amazon EC2  The following steps resolved this issue for me   1  Edit server xml and change port  8080  to  80   sudo vi  var lib tomcat7 conf server xml   lt Connector connectionTimeout  20000  port  8080  protocol  HTTP 1 1  redirectPort  8443   gt    2  Edit tomcat7 file  if the file is not created then you need to create it   sudo vi  etc default tomcat7   uncomment and change  AUTHBIND no to yes  3  Install authbind  sudo apt-get install authbind   4  Run the following commands to provide tomcat7 read execute on port 80   sudo touch  etc authbind byport 80 sudo chmod 500  etc authbind byport 80 sudo chown tomcat7  etc authbind byport 80   5  Restart tomcat   sudo  etc init d tomcat7 restart

User · Answer

1  Go to conf folder in tomcat installation directory   e g  C  Tomcat 6 0 conf    2  Edit following tag in server xml file   lt Connector connectionTimeout  20000  port  8080  protocol  HTTP 1 1  redirectPort  8443   gt    3  Change the port 8080 value to port 80  4  Save file   5  Stop your Tomcat and restart it

User · Answer

Running the command below worked with  Tried changing server xml and the conf file but both didn t work     sbin iptables -A INPUT -i eth0 -p tcp --dport 80 -j ACCEPT   sbin iptables -A INPUT -i eth0 -p tcp --dport 8080 -j ACCEPT   sbin iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080

User · Answer

Just goto conf folder of tomcat  open the server xml file  Goto one of the connector node which look like the following   lt Connector port  8080  protocol  HTTP 1 1              connectionTimeout  20000              redirectPort  8443    gt    Simply change the port   save and restart tomcat

User · Answer

Don t forget to edit the file  Open file  etc default tomcat7 and change   AUTHBIND no   to   AUTHBIND yes   then restart

User · Answer

As previous answers didn t work well  it was good  but not enough  for me on a 14 04 Ubuntu Server  I mention these recommendations  this is a quote     Edit  note that as  jason-faust mentioned it in the comments  on 14 04  the authbind package that ships with it does support IPv6 now  so the prefer IPv4 thing isn t needed any longer    1  Install authbind 2  Make port 80 available to authbind  you need to be root      touch  etc authbind byport 80   chmod 500  etc authbind byport 80   chown tomcat7  etc authbind byport 80  3  Make IPv4 the default  authbind does not currently support IPv6      To do so  create the file TOMCAT bin setenv sh with the following content       CATALINA OPTS  -Djava net preferIPv4Stack true   4  Change  usr share tomcat7 bin startup sh    exec authbind --deep   PRGDIR    EXECUTABLE  start          OLD  exec   PRGDIR    EXECUTABLE  start        If you already got a setenv sh file  in  usr share tomcat7 bin with CATALINA OPTS  you have to use    export CATALINA OPTS   CATALINA OPTS -Djava net preferIPv4Stack true    Now you can change the port to 80 as told in other answers

User · Answer

On a linux server you can just use this commands to reconfigure Tomcat to listen on port 80   sed -i  s port  8080  port  80  g   etc tomcat  server xml sed -i  s  AUTHBIND no AUTHBIND yes g   etc default tomcat  service tomcat8 restart

User · Answer

Here are the steps   --  Follow the path   tomcat directory  conf -- Find this line     lt Connector port  8080  protocol  HTTP 1 1  connectionTimeout  20000  redirectPort  8443    gt    change portnumber from  8080  to  80    --  Save the file   --  Restart the server

User · Answer

On modern linux the best approach  for me  is to use xinetd    1  create  etc xinet d tomcat-http  service http           disable   no         socket type   stream         user   root         wait   no         redirect   127 0 0 1 8080     2  create  etc xinet d tomcat-https  service https           disable   no         socket type   stream         user   root         wait   no         redirect   127 0 0 1 8443     3  chkconfig xinetd on  4   etc init d xinetd start

User · Answer

if you are using eclipse and modifying server xml doesn t work for you then try following article   they have steps to modify port if you are using IDE like eclipse

User · Answer

On Ubuntu and Debian systems  there are several steps needed    In server xml  change the line  lt Connector connectionTimeout  20000  port  8080  protocol  HTTP 1 1  redirectPort  8443   gt  to have port  80   Install the recommended  not required  authbind package  with a command like   sudo apt-get install authbind Enable authbind in the server xml file  in either  etc tomcat6 or  etc tomcat7  by uncommenting and setting the line like   AUTHBIND yes   All three steps are needed

User · Answer

On a Linux Debian-based  so Ubuntu included  you have also to go to  etc default tomcat7  uncomment the  AUTHBIND no line and set its value to  yes   in order to let the server bind on a privileged port

User · Answer

I tried changing the port from 8080 to 80 in the server xml but it didn t work for me  Then I found alternative  update the iptables which i m sure there is an impact on performance   I use the following commands   sudo  sbin iptables -t nat -I PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 8080 sudo  sbin service iptables save   http   www excelsior-usa com articles tomcat-amazon-ec2-advanced html port80

User · Answer

If someone is looking for  how to change the tomcat port number in Eclipse IDE user following are the steps   1 In the Servers view  double click on the server name    2 That will open a configuration page for Tomcat as follows    3 Notice the port numbers are shown in the table on the right  Click to edit  for example    4 That will change port number for HTTP from 8080 to 80  Press Ctrl   S to save the change and restart the server  We can spot the change of port number in the Console view    This all content were taken from below link  please refer that link for further information thanks  http   www codejava net servers tomcat how-to-change-port-numbers-for-tomcat-in-eclipse

[tomcat] How to change the port of Tomcat from 8080 to 80?

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